Édouard Belin et son appareil téléphotographique

Édouard Belin (5 March 1876 – 4 March 1963) was a French photographer and inventor. In 1907 Belin invented a phototelegraphic apparatus called the Bélinographe (télestéréographe)—a system for receiving

photographs A photograph (also known as a photo, image, or picture) is an image created by light falling on a photosensitive surface, usually photographic film or an electronic image sensor, such as a CCD or a CMOS chip. Most photographs are now created ...

over telephone wires via telegraphic networks. Belin's invention had been used for journalistic photos since 1914, and the process was improved by 1921 to enable transmission of images by

radio waves Radio waves are a type of electromagnetic radiation with the longest wavelengths in the electromagnetic spectrum, typically with frequencies of 300 gigahertz ( GHz) and below. At 300 GHz, the corresponding wavelength is 1 mm (s ...

. From 1926, Belin worked on an television apparatus. In 1926, with Holweg, he tested the capacity for the eye to perceive pictures proposed at a very high speed, using a mirror drum. Belin was born in

Vesoul Vesoul () is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté located in eastern France. It is the most populated municipality of the department with inhabitants in 2014. The same year, the Communauté d'agglo ...

Haute-Saône Haute-Saône (; Arpitan: ''Hiôta-Sona''; English: Upper Saône) is a department in the Bourgogne-Franche-Comté region of northeastern France. Named after the river Saône, it had a population of 235,313 in 2019.Territet Territet (Montreux) is a locality which is part of the Montreux commune, in the Vaud canton, Switzerland. Geography Territet is located between the city center of Montreux and the village of Veytaux, within the municipality of Montreux, on t ...

Canton of Vaud Vaud ( ; french: (Canton de) Vaud, ; german: (Kanton) Waadt, or ), more formally the canton of Vaud, is one of the 26 cantons forming the Swiss Confederation. It is composed of ten districts and its capital city is Lausanne. Its coat of arms b ...

, Switzerland.

Bélinographe

In this apparatus, the transmitter traverses the original image point by point. At each point a measurement of light intensity is made with an

electric eye An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is ...

. The measurement is conveyed to the receiver. There, a variable intensity light source reproduces the light measured by the electric eye, while carrying out same displacements exactly. By doing this, it exposes the photographic paper and makes it possible to obtain a copy of the original image. Other scientists such as Arthur Korn had also been developing technology to transmit images over long distances. Modern telecopiers and

photocopiers A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply. Most modern photocopiers ...

use the same principle, with this close the sensor of light intensity was replaced by a sensor CCC, and that the device of impression is based on the laser technology, and either photographic.

Legacy

Belin gave his name to a high school of

References

External links

Comprehensive bibliography of texts by or about Edouard Belin

* ttp://faxauthority.com/edouard-belin Edouard Belin – Fax and Belinographe Inventor at FaxAuthority.com {{DEFAULTSORT:Belin, Edouard 1876 births 1963 deaths People from Vesoul 20th-century French inventors Grand Officiers of the Légion d'honneur Telegraph engineers and inventors

Bélinographe

Legacy

See also

References

External links